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Groups > linux.kernel > #1439531
| From | Jiri Olsa <jolsa@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v14 4/8] perf record: Introduce rec->overwrite_evlist for overwritable events |
| Date | 2016-07-08 16:50 +0200 |
| Message-ID | <rSFgl-64x-19@gated-at.bofh.it> (permalink) |
| References | <rSacx-2D8-3@gated-at.bofh.it> <rSacy-2D8-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Jul 07, 2016 at 05:34:45AM +0000, Wang Nan wrote:
SNIP
> @@ -373,7 +402,23 @@ static int record__mmap_evlist(struct record *rec,
>
> static int record__mmap(struct record *rec)
> {
> - return record__mmap_evlist(rec, rec->evlist);
> + int err;
> +
> + err = record__create_overwrite_evlist(rec);
> + if (err)
> + return err;
> +
> + err = record__mmap_evlist(rec, rec->evlist, false);
> + if (err)
> + return err;
> +
> + if (!rec->overwrite_evlist)
> + return 0;
> +
> + err = record__mmap_evlist(rec, rec->overwrite_evlist, true);
> + if (err)
> + return err;
> + return 0;
same here:
return record__mmap_evlist(rec, rec->overwrite_evlist, true);
jirka
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[PATCH v14 0/8] perf tools: Support overwritable ring buffer Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 5/8] perf record: Read from overwritable ring buffer Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 7/8] perf tools: Don't warn about out of order event if write_backward is used Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 8/8] perf tools: Add --tail-synthesize option Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 2/8] perf evlist: Introduce aux evlist Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 1/8] perf tools: Drop redundant evsel->overwrite indicator Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
[PATCH v14 4/8] perf record: Introduce rec->overwrite_evlist for overwritable events Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
Re: [PATCH v14 4/8] perf record: Introduce rec->overwrite_evlist for overwritable events Jiri Olsa <jolsa@redhat.com> - 2016-07-08 16:50 +0200
Re: [PATCH v14 4/8] perf record: Introduce rec->overwrite_evlist for overwritable events Jiri Olsa <jolsa@redhat.com> - 2016-07-08 16:50 +0200
[PATCH v14 3/8] perf tests: Add testcase for auxiliary evlist Wang Nan <wangnan0@huawei.com> - 2016-07-07 07:40 +0200
Re: [PATCH v14 3/8] perf tests: Add testcase for auxiliary evlist Jiri Olsa <jolsa@redhat.com> - 2016-07-08 16:50 +0200
Re: [PATCH v14 3/8] perf tests: Add testcase for auxiliary evlist "Wangnan (F)" <wangnan0@huawei.com> - 2016-07-11 05:30 +0200
Re: [PATCH v14 3/8] perf tests: Add testcase for auxiliary evlist Jiri Olsa <jolsa@redhat.com> - 2016-07-08 16:50 +0200
Re: [PATCH v14 3/8] perf tests: Add testcase for auxiliary evlist Jiri Olsa <jolsa@redhat.com> - 2016-07-08 16:50 +0200
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